diff --git a/lib/less/tree/condition.js b/lib/less/tree/condition.js
index 624d7e29..6b79dc96 100644
--- a/lib/less/tree/condition.js
+++ b/lib/less/tree/condition.js
@@ -11,7 +11,7 @@ tree.Condition.prototype.eval = function (env) {
     var a = this.lvalue.eval(env),
         b = this.rvalue.eval(env);
 
-    var i = this.index, result
+    var i = this.index, result;
 
     var result = (function (op) {
         switch (op) {